All parts orders which include complete part numbers and are received by our automated web parts order system, or by fax qualify for the following extra discounts:

Ordered

Standard

Stock orders

via

orders

($750 list and above)

Fax

3%

10%

Web

5%

10%

Special freight allowances when you order 10 or more line items via Web or Fax!**

FedEx Ground Service at no charge for freight

No other allowances on freight shipped by any other carrier.

NOTE:DISCOUNTSARESUBJECTTOCHANGE

Direct TOLL-FREEaccess to our Parts Department:

Toll-freenationwide —800-427-1244

MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05) — PAGE 5

MT-84FA— SAFETY MESSAGE ALERT SYMBOLS

FORYOUR SAFETY AND THE SAFETY OF OTHERS!

Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to yourself and others.

This Owner's Manual has been developed to provide complete instructions for the safe and efficient operation of the MQ Mikasa, Model MT-84FA Tamping Rammer. Refer to the engine manufacturers instructions for data relative to its safe operation.

Before using this rammer, ensure that the operating individual has read and understands all instructions in this manual.

SAFETY MESSAGE ALERT SYMBOLS

The three (3) Safety Messages shown below will inform you about potential hazards that could injure you or others. The Safety Messages specifically address the level of exposure to the operator, and are preceded by one of three words: DANGER,

DANGER

You WILL be KILLEDor SERIOUSLY INJUREDif you DO NOT follow these directions.

WARNING

You CAN be KILLED or SERIOUSLY INJUREDif you DO NOT follow these directions.

CAUTION

You CAN beINJURED if youDO NOT follow these directions.

HAZARD SYMBOLS

Potential hazards associated with the operation of a MT84FA Tamping Rammer will be referenced with Hazard Symbols which appear throughout this manual, and will be referenced in conjunction with Safety Message Alert

Symbols.

WARNING Lethal Exhaust Gas Hazards

Engine exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled. NEVER operate this equipment in a confined area or enclosed structure that does not provide ample free flow air.

WARNING Explosive Fuel Hazards

Gasoline is extremely flammable, and its vapors can cause an explosion if ignited.DO NOT start the engine near spilled fuel or combustible fluids.

DO NOT fill the fuel tank while the engine is running or hot.DO NOT overfill tank, since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system. Store fuel in approved containers, inwell-ventilatedareas and away from sparks and flames.

WARNING

Burn Hazards

Engine components can generate extreme heat. To prevent burns, DO NOT touch these areas while the engine is running or immediately after operations. Never operate the engine with heat shields or heat guards removed.

WARNING

Respiratory Hazards

ALWAYS wear approvedrespiratory protection when required.

PAGE 6 — MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05)

MT-84FA— SAFETY MESSAGE ALERT SYMBOLS

CAUTION

Rotating Parts Hazards

NEVER operate equipment with covers, or guards removed. Keep fingers, hands, hair and clothing away from all moving parts to prevent injury.

CAUTION Accidental Starting Hazards

ALWAYS place the ON/OFFswitch in the OFFposition when the rammer is not in use.

CAUTION Eye and Hearing Hazards

ALWAYS wear approved eye and hearing protection.

CAUTION

Equipment Damage

Hazards

Other important messages are provided throughout this manual to help prevent damage to your light tower, other property, or the surrounding environment.

DANGER

Refueling Hazard

NEVER refuel rammer when placed in truck bed with plastic liner.The possibility exists of explosion due to static electricity. When adding fuel, remove rammer from truck bed and place on ground.

MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05) — PAGE 7

MT-84FA— RULES FOR SAFE OPERATION

DANGER

Read this manual!

Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only.

The following safety guidelines should always be used when operating the MT-84FATamping Rammer:

GENERAL SAFETY

■DO NOT operate or service this equipment before reading this entire manual.

■This equipment should not be operated by persons under

18 years of age.

■NEVER operate this equipment without proper protective clothing, shatterproof glasses,steel-toedboots and other protective devices required by the job.

■NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.

■In emergencies always know the location of the nearest phone orkeep a phone on the job site. Also know the phone numbers of the nearestambulance,doctor andfire department. This information will be invaluable in the case of an emergency.

MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05) — PAGE 9

MT-84FA— OPERATION AND SAFETY DECALS

Machine Safety Decals

The MQ Mikasa tamping rammer is equipped with a number of safety decals.These decals are provided for operator safety and maintenance information. Figure 1 and 1A below and preceeding page illustrates these decals as they appear on the machine. Should any of these decals become unreadable, replacements can be obtained from your dealer.

Figure 1. Rammer Operation and Safety Decals

PAGE 10 — MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05)

MT-84FA— OPERATION AND SAFETY DECALS

Figure 1A. Rammer Operation and Safety Decals

MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05) — PAGE 11

MT-84FA—GENERALINFORMATION

Definition of Tamping Rammer

The Mikasa MT-84FAtamping rammer is a powerful compacting tool capable of applying a tremendous force in consecutive impacts to a soil surface. Its applications include soil compacting for road, embankments and reservoirs as well as backfilling for gas pipelines, water pipelines and cable installation work.

The impact force of the MT-84FAlevels and uniformly compacts voids between soil particles to increase dry density.

Circular motion is converted to create impact force.The MT-84FAtamping rammer develops a powerful compacting force at the foot of the rammer.To maintain optimum performance, proper operation and service are essential.

Construction of Tamping Rammer

The Mikasa MT-84FAis equipped with anair-cooled,four-cyclegasoline engine. Transmission of the power takes place by increasing the engine speed to engage the centrifugal clutch.

Rammer Gearbox and Spring Cylinder

The Mikasa MT-84FAuses an oil bath lubrication system.Always check the oil level through the oil level sight glass at the rear of the tamper foot.

Controls

Before starting the MT-84FATamping Rammer identify and understand the function of the controls, see Figure 2.

CAUTION

Handle Operation

Before starting operation check the lifting handle to:

1.Make sure that there is no damage on the bolts.

2.Make sure that there is no crack or breakage on handle.

3.Make sure that there is no fissure on the surface. If there is any abnormality or damage, replace with new one.

For operation:

This handle is to be used to lift up the shoe part of the machine with the body laid down on the ground or truck bed.

2.Do not use this handle as a rammer lift point. Use the lifting point on the top of the machine.

3.Do not move the rammer with the lifting handle and the front rollers more than (16 feet) 5 meters.

PAGE 12 — MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05)

MT-84FA— SPECIFICATIONS

Table 1. MT-84FARammer Specifications

MODEL

MT-84FA

Overall Height

41.5 in. (1055 mm)

Overall Width

16.1 in (410 mm)

Over Length

28.9 in (735 mm)

Shoe Size L x W

13.4 x 11.2 in. (340 x 285 mm)

Blows/minute

660-700

Impact Force

3,500 lbs (1,600 kg)

Stroke

3.15 in (80 mm)

Clutch

Automatic Centrifugal

Travel Speed

26.2 - 36.1 ft/min (8 - 11 m/min)

Lubrication System

Oil Bath-10W-30Motor Oil

Fuel Capacity

2.1 q (2.0 liters)

Operating Weight (W/Fuel)

203 lbs. (92 kg)

Table 2. EH12-2D46420Engine Specifications

MODEL

ROBIN EH12-2D4646420

Type

Air-Cooled4 Stroke Gasoline Engine

Piston Displacement

7.38 cu.in. (121 cm3)

Max. Output

3.5 HP (2.6 kw)

Setting Speed

3,500 - 3,700 rpm

Cooling System

Air-Cooled

Lubrication System

Oil Bath - 10W30 Motor Oil

Oil Tank Capacity

0.8 pint (0.4 liter)

Fuel

Unleaded gasoline

Fuel Tank Capacity

2.1 quart (2 liters)

Starting System

Recoil Starter

Carburetor System

Diaphragm

NOTE

Specifications are general and are subject to change without notice. If exact

measurements are required, equipment should be weighed and measured.

MT-84FA— OPERATION & PARTS MANUAL — REV. #0 (06/10/05) — PAGE 13

MT-84FA— CONTROLS AND COMPONENTS

Figure 2. MT-84FARammer

Figure 2 shows the location of the controls and components for the MT-84FATamping Rammer. The functions of each control is described below:

1.Throttle Lever – Controls engine speed and the tamping action of the rammer.

2.Engine Stop Switch – Controls the starting and stopping of the engine. Switch must be in the "ON" position when starting the engine.

3.Choke Lever – Used when starting the engine.Normally used in cold weather conditions. In cold weather turn the choke lever to the fully closed position, in warm weather set choke lever half way or completely open.

3.Close the choke lever Figure 9 and move the throttle lever to the "Full Open" position. Turning the choke lever 90 degreesclockwiseclosesthechoke.Incoldweather,startthe unit with choke fully closed. In warm weather or when the engine is warm, the unit can be started with choke halfway orcompletelyopen.

Make sure that the throttle lever is moved to the FULL OPEN position. Operating the rammer at less than full speeds can result in damage to the clutch springs or foot

2.The MT-84FAtamping rammer is designed to run at 4,000 rpm. At optimum rpm the foot hits at the rate of 660~700 impacts per minute. Increasing throttlespeedpastfactory setrpmdoesnotincreaseimpactsand maydamageunit.TheMT-84FAis designed to advance while tamping.For faster advance, pull back slightlyon the handle so that rearof foot contactssoilfirst.

MT-84FA— OPERATION

3.To stop the tamping action, move throttle lever quickly from the FULL OPEN toIDLE position.

Stopping The Engine

Normal Shutdown

1.Move throttle lever quickly from the FULL OPEN toIDLE position (Figure 12) and run the engine for three minutes at lowspeed.Aftertheenginecools,turntheenginestart/stop switch to the “STOP” position (Figure 8) until engine comes to a complete stop.

■Thoroughly remove dirt and oil from the engine and control area.Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the spring box and bellows for oil leaks. Repair or replace as needed.

WEEKLY

■Remove the fuel filter cap and clean the inside of the fuel tank.

■Remove or clean the filter at the bottom of the tank.

■Remove and clean the spark plug, then adjust the spark gap to 0.02~0.03 inch (0.6~0.7 mm). This unit has electronic ignition, which requires no adjustments.

■Clean air cleaner cover.

200 - 300 HOURS (Pre-Cleaner)

■Remove the element from the pre-cleaner(Figure 13) at the top of the crankcase (body side) and clean it with cleaning oil (kerosene).

PRE-CLEANER

MT-84FA— MAINTENANCE

■ The air cleaner (Figure 14 ) on the engine side will hardly be contaminated, if it is, however after cleaning the element with kerosene, dip it in mixed oil consisting of 3 parts of gasoline and 1 part of engine oil.Then tightly squeeze outer primary element (sponge) and shake off well the inner secondary element before installing them.

Figure 14. Engine Air Cleaner

200 - 300 HOURS (Oil Bath)

■Drain oil reservoir on foot housing (Figure 15). Refill with approximately 1.7 pt. (800cc) of 10W-30motor oil. Oil should be midway in sight glass. Break in oil should be changed after first 50 hours.

YELLOW

GRAY

2-5CC

13 -15CC

SAE 30

SAE 30

Figure 13. Pre-Cleaner

■Lubricate the top element (yellow) with 2~5 cc of engine oil SAE-30.

■Lubricate bottom element (gray) with 13 ~15 cc of engine oil SAE-30and completely squeeze out the excess oil from the element before installing.

Figure 15. Foot Housing Drain Plug

Yearly

■Check the fuel line and the oil line regularly for damage and to ensure that there are no leaks.

■Replace the oil and fuel lines every two years to maintain the performance and flexibility lines.

Long Term Storage

■Drain fuel from fuel tank, fuel line and carburetor.

■Remove spark plug and pour a few drops of motor oil into cylinder. Crank engine 3 to 4 times so that oil reaches all internal parts.